1342340 has 24 divisors (see below), whose sum is σ = 2889432. Its totient is φ = 523520.

The previous prime is 1342339. The next prime is 1342343. The reversal of 1342340 is 432431.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 1249924 = 304^2 + 1118^2 .

It is not an unprimeable number, because it can be changed into a prime (1342343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (120393).

2^1342340 is an apocalyptic number.

1342340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1342340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444716).

1342340 is an abundant number, since it is smaller than the sum of its proper divisors (1547092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1342340 is a wasteful number, since it uses less digits than its factorization.

1342340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1342340 is about 1158.5939754720. The cubic root of 1342340 is about 110.3115136726.

Adding to 1342340 its reverse (432431), we get a palindrome (1774771).

Subtracting from 1342340 its reverse (432431), we obtain a palindrome (909909).

The spelling of 1342340 in words is "one million, three hundred forty-two thousand, three hundred forty".